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The graPHIGS Programming Interface : Subroutine Reference
GPSMVL - Sample Valuator
| GPSMVL
(wsid,
device,
value) |
Purpose
Use
GPSMVL to retrieve the current
measure of the specified valuator
device.
The delivered value is in the range
specified
for this device through the Initialize Valuator
(GPINVL)
subroutine.
Parameters
wsid -- specified by user, fullword integer
Workstation identifier.
device -- specified by user, fullword integer
Valuator device number (>=1)
value -- returned by the graPHIGS API,
short floating-point number
Value.
Error Codes
- 25
- SPECIFIED WORKSTATION DOES NOT EXIST
- 140
- DEVICE NUMBER < ONE OR DEVICE NOT AVAILABLE
Related Subroutines
- GPQLI
- Inquire List of Logical Input Devices
- GPVLMO
- Set Valuator Mode
RCP code
201335555
(X'0C002303')
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